1: <?php
  2: /**
  3:  * Magento
  4:  *
  5:  * NOTICE OF LICENSE
  6:  *
  7:  * This source file is subject to the Open Software License (OSL 3.0)
  8:  * that is bundled with this package in the file LICENSE.txt.
  9:  * It is also available through the world-wide-web at this URL:
 10:  * http://opensource.org/licenses/osl-3.0.php
 11:  * If you did not receive a copy of the license and are unable to
 12:  * obtain it through the world-wide-web, please send an email
 13:  * to license@magentocommerce.com so we can send you a copy immediately.
 14:  *
 15:  * DISCLAIMER
 16:  *
 17:  * Do not edit or add to this file if you wish to upgrade Magento to newer
 18:  * versions in the future. If you wish to customize Magento for your
 19:  * needs please refer to http://www.magentocommerce.com for more information.
 20:  *
 21:  * @category    Mage
 22:  * @package     Mage_Core
 23:  * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 24:  * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 25:  */
 26: 
 27: 
 28: class Mage_Core_Model_Layout_Element extends Varien_Simplexml_Element
 29: {
 30:     public function prepare($args)
 31:     {
 32:         switch ($this->getName()) {
 33:             case 'layoutUpdate':
 34:                 break;
 35: 
 36:             case 'layout':
 37:                 break;
 38: 
 39:             case 'update':
 40:                 break;
 41: 
 42:             case 'remove':
 43:                 break;
 44: 
 45:             case 'block':
 46:                 $this->prepareBlock($args);
 47:                 break;
 48: 
 49:             case 'reference':
 50:                 $this->prepareReference($args);
 51:                 break;
 52: 
 53:             case 'action':
 54:                 $this->prepareAction($args);
 55:                 break;
 56: 
 57:             default:
 58:                 $this->prepareActionArgument($args);
 59:                 break;
 60:         }
 61:         $children = $this->children();
 62:         foreach ($this as $child) {
 63:             $child->prepare($args);
 64:         }
 65:         return $this;
 66:     }
 67: 
 68:     public function getBlockName()
 69:     {
 70:         $tagName = (string)$this->getName();
 71:         if ('block'!==$tagName && 'reference'!==$tagName || empty($this['name'])) {
 72:             return false;
 73:         }
 74:         return (string)$this['name'];
 75:     }
 76: 
 77:     public function prepareBlock($args)
 78:     {
 79:         $type = (string)$this['type'];
 80:         $name = (string)$this['name'];
 81: 
 82:         $className = (string)$this['class'];
 83:         if (!$className) {
 84:             $className = Mage::getConfig()->getBlockClassName($type);
 85:             $this->addAttribute('class', $className);
 86:         }
 87: 
 88:         $parent = $this->getParent();
 89:         if (isset($parent['name']) && !isset($this['parent'])) {
 90:             $this->addAttribute('parent', (string)$parent['name']);
 91:         }
 92: 
 93:         return $this;
 94:     }
 95: 
 96:     public function prepareReference($args)
 97:     {
 98:         return $this;
 99:     }
100: 
101:     public function prepareAction($args)
102:     {
103:         $parent = $this->getParent();
104:         $this->addAttribute('block', (string)$parent['name']);
105: 
106:         return $this;
107:     }
108: 
109:     public function prepareActionArgument($args)
110:     {
111:         return $this;
112:     }
113: 
114: }
115: